package com.yygh.hosp.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.yygh.hosp.repository.DepartmentRepository;
import com.yygh.hosp.service.DepartmentService;
import com.yygh.model.hosp.Department;
import com.yygh.vo.hosp.DepartmentQueryVo;
import com.yygh.vo.hosp.DepartmentVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.*;
import org.springframework.stereotype.Service;
import org.springframework.data.domain.Page;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

@Service
public class DepartmentServiceImpl implements DepartmentService {

    @Autowired
    private DepartmentRepository departmentRepository;


    @Override
    public void save(Map<String, Object> paramMap) {

        String jsonString = JSONObject.toJSONString(paramMap);
        Department department = JSONObject.parseObject(jsonString, Department.class);

        Department departmentExist = departmentRepository.getDepartmentByHoscodeAndDepcode(department.getHoscode(), department.getDepcode());

        if (departmentExist != null) {
            departmentExist.setUpdateTime(new Date());
            departmentExist.setIsDeleted(0);
            departmentRepository.save(departmentExist);

        } else {
            department.setCreateTime(new Date());
            department.setUpdateTime(new Date());
            department.setIsDeleted(0);

            departmentRepository.save(department);
        }


    }

    @Override
    public Page<Department> findPageDepartment(int page, int limit, DepartmentQueryVo departmentQueryVo) {

        Pageable pageable = PageRequest.of(page - 1, limit);

        Department department = new Department();
        BeanUtils.copyProperties(departmentQueryVo, department);
        ExampleMatcher matcher = ExampleMatcher.matching().withStringMatcher(ExampleMatcher.StringMatcher.CONTAINING).withIgnoreCase(true);
        Example<Department> example = Example.of(department, matcher);


        Page<Department> all = departmentRepository.findAll(example, pageable);
        return all;
    }

    @Override
    public void remove(String hoscode, String depcode) {

        Department department = departmentRepository.getDepartmentByHoscodeAndDepcode(hoscode, depcode);
        if (department != null) {
            departmentRepository.deleteById(department.getId());
        }
    }

    @Override
    public List<DepartmentVo> findDeptTree(String hoscode) {

        List<DepartmentVo> result = new ArrayList<>();
        //根据医院编号，查询医院所有科室信息
        Department departmentQuery = new Department();
        departmentQuery.setHoscode(hoscode);
        Example example = Example.of(departmentQuery);
        //所有科室列表 departmentList

        List<Department> departmentList = departmentRepository.findAll(example);

        //根据大科室编号  bigcode 分组，获取每个大科室里面下级子科室
        if (departmentList.size() != 0 && departmentList != null) {
            Map<String, List<Department>> deparmentMap =
                    departmentList.stream().collect(Collectors.groupingBy(Department::getBigcode));
            System.out.println(1);
            //遍历map集合 deparmentMap
            for (Map.Entry<String, List<Department>> entry : deparmentMap.entrySet()) {
                //大科室编号
                String bigcode = entry.getKey();
                //大科室编号对应的全局数据
                List<Department> deparment1List = entry.getValue();
                //封装大科室
                DepartmentVo departmentVo1 = new DepartmentVo();
                departmentVo1.setDepcode(bigcode);
                departmentVo1.setDepname(deparment1List.get(0).getBigname());

                //封装小科室
                List<DepartmentVo> children = new ArrayList<>();
                for (Department department : deparment1List) {
                    DepartmentVo departmentVo2 = new DepartmentVo();
                    departmentVo2.setDepcode(department.getDepcode());
                    departmentVo2.setDepname(department.getDepname());
                    //封装到list集合
                    children.add(departmentVo2);
                }
                //把小科室list集合放到大科室children里面
                departmentVo1.setChildren(children);
                //放到最终result里面
                result.add(departmentVo1);

            }
        }
        return result;
    }

    @Override
    public String getDepName(String hoscode, String depcode) {

        Department department = departmentRepository.getDepartmentByHoscodeAndDepcode(hoscode, depcode);

        if (department != null) {
            return department.getDepname();
        }
        return null;
    }

    @Override
    public Department getDepartment(String hoscode, String depcode) {

        return departmentRepository.getDepartmentByHoscodeAndDepcode(hoscode, depcode);

    }
}
